This enable dynamic reserve memory for Qualcomm ramoops device,
which will be used to save ramoops frontend data and this region
gets dumped on crash via Qualcomm's minidump infrastructure.
qcom_pstore_minidump is the associated driver for this node.
Signed-off-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8450.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index d59ea8ee7111..0b1dedee606b 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -390,6 +390,12 @@
};
};
+ ramoops-minidump {
+ compatible = "qcom,sm8450-ramoops", "qcom,ramoops";
+ console-size = <0x200000>;
+ memory-region = <&qcom_ramoops>;
+ };
+
reserved_memory: reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
@@ -623,6 +629,12 @@
reg = <0x0 0xed900000 0x0 0x3b00000>;
no-map;
};
+
+ qcom_ramoops: ramoops {
+ alloc-ranges = <0x0 0x00000000 0xffffffff 0xffffffff>;
+ size = <0x0 0x200000>;
+ no-map;
+ };
};
smp2p-adsp {
--
2.7.4
